Earth-anchor.



in. 855,298. PATENTED MAY 28, 1907.

G. B. FROST. EARTH ANCHOR.

APPLIOATION IILED SEPT. 12, 1906.

WITNESSES; v INVENTOR @a/MQ @gwromzamasr ATTORNEYS UNITED sTATEs PATENTTrice.

EARTH-ANCHOR.

Specification of Letters Patent.

Patented May 28, 1907.

' Application filed September 12,1906. Serial No. 334,274;-

To 0. whom it may concern-.-

Be it known that I, CLINTON E. FROST, a citizen of the United States,residing at Cleveland, in the county of Cuyahoga and State of Ohio, haveinvented certain new and useful Improvements in Earth-Anchors; and I dodeclare that the following is a full, clear, and exact description ofthe invention, which will enable others skilled in the art to which itappertains to make and use the same.

My invention has reference to an earth;

anchor as an article of manufacture? and sale, and the object of theinvention is to provide 5 an anchor adapted to be placed -in a drivenhole or to be bodily driven into the earth and to make an effectiveengagement for guyropes, stays and the like in connection withfence-posts, telegraph and telephone poles, ropes for staking circus andother tents, and in which secure earth anchorage is especiallyimportant.

To these ends the invention consists in the construction of an anchoradapted to be embedded in the earth and to operate substantially asshown and described and particu larly pointed out in the claims.

In the accompanying drawings Figure 1 is a view showing a section ofearth bored or driven to receive the anchor and showing the anchor inthe bottom thereof in full lines and in anchored position dotted lines.Fig. 2 is a bottom view of the anchor and the loop portion of the stayattached thereto, and Fig. 3 is an edge view of Fig. 2. Fig. 4 is an endelevation of the anchor. Fig. 5 is a similar view to Fig. 1 of amodification.

As thus shown the anchor A, is preferably formed from metalsubstantially T shape in cross section and constituting a device inwhich the portion 2 represents the plate or faced body of the anchor and3 a rib longitudinally at the center upon the rear thereof. The stockfrom which the anchor is cut can be rolled to any suitable weight andsurface measurement, and different sizes can be made according as theyare designed for different uses and as more or less resistance in theanchor is needed. Preferably, also, the rib 3 is of less depth than thesides of the plate as measured laterally therefrom, and the point of theanchor is beveled relatively as shown and preferably to the same angleof inclination at the sides 4 and on the rib at 5. The rear end is shownas cut off at right angles and the side corners 7 are bent inward orturned slightly toward the face of the anchor, and rib 3 is beveled orcut away at 8 at an inclination corresponding substantially to the bevel5 at the front.

C represents a stay wire or rod, which is pivotally or flexibly engagedwith the anchor through a hole 9 in the rib 3 sufficiently off themiddle of the anchor to balance the surfaces of body 2 in respect tosaid connection, and the preferable method of connection is by means ofa loop 0 formed in wire C and of a length to allow the upper portion ofrib 3 to lie therein and thus bring anchor and stay wire into alinementfor pacing the anchor in the ground, Fig. 1. g

Rib 3 serves several important purposes,

providing, as it does, for attaching the stay or member C loosely to theanchor and also as a guide if driving be employed, and especially as astrengthening portion for the anchor. By using a rib of this kind I canmake the remainder or face plate or portion correspondingly light andstill provide a perfectly safe anchorage, and thus provide acomparatively light but efficient article. However, this anchor is notmade to be driven, though it may, but rather to be introduced through ahole that is bored or driven to receive the anchor. The hole so made mayhave no greater cross section than the width of the anchor, or evenless, and then the anchor is placed in position to a suitable depthaccording to conditions and the work to be done. To do this possiblysome driving of the an chor may be required, but the anchor will followthe hole to its bottom and then if a pull be exerted on the stay wirethe reverse bends 7 at the heel of the anchor will operate as a fulcrumby engaging in the wall of the hole and as the upward pull continues theanchor will gradually turn until it assumes a transverse position and ispositively fixed against further yield substantially as shown in dottedlines, Fig. 1. For convenience of consideration the side of the plate orbody having rib 3 is referred to as the bottom or lower side of theanchor, and the other side toward which corners 7 are turned as the topor upper side.

In Fig. 5 I show a modification especially adapted for such purposes asrequire a temporary anchor, as in circus tents, where they strike tentsdaily and wish to take their anchors with them. To these ends I make ananchor with two holes in rib 3, one near each end, and engage a rod Cwith each hole. The anchor is set in the same way as the other stylehaving a single rod or wire C, but when it comes to removal the methodis to push down on one rod and pull on the other, and thus throw theanchor into original position in the bore through which it wasintroduced and draw it out.

What I claim is 1. A ground anchor having a rib lengthwise on its backand provided with an eye at about its middle, and one end of the anchorstraight lengthwise with its side edges tapered to a point and the otherend having square corners turned to an inclination away from the sidehaving said rib.

2. A ground anchor having a rib longitudinally at its center on one sideand a substantially fiat body having a tapered point at one end and theother end having a straight transverse edge and a portion thereof onboth sides said rib bent to an inclination to the plane of the anchor.

3. A ground anchor having a rib centrally on its back lengthwise, saidrib beveled at both ends substantially to the plane of the body of theanchor and provided with a transverse eye near the middle, and saidanchor provided with a square end having its corners turned in the samedirection, in combination with a stay having a loop engaged directlythrough said eye.

4. A ground anchor having a flat body with a rib integral therewithcentrally between its ends and one end of the anchor tapered along itsedges to a point and the other end full width of said body and thecorners thereof turned away from said rib to an in clination, a stayhaving a loop engaged through said rib and said rib and loop constructedto throw the stay and anchor into alinement one with the other.

In testimony whereof I sign this specification in the presence of twowitnesses.

CLINTON E. FROST. Witnesses:

O. A. SELL, R. B. MOSER.

